MC78L12A数据手册集成电路（IC）的线性+开关稳压器规格书PDF

描述 Description

The MC78L00A Series of linear voltage regulators are inexpensive, easy-to-use devices suitable for a multitude of applications that require a regulated supply of up to 100 mA. Like their higher powered MC7800 and MC78M00 Series cousins, these regulators feature internal current limiting and thermal shutdown making them remarkably rugged. No external components are required with the MC78L00 devices in many applications.These linear voltage regulators offer a substantial performance advantage over the traditional zener diode-resistor combination, as output impedance and quiescent current are substantially reduced.

特性 Features

Wide Range of Available, Fixed Output Voltages
Low Cost
Internal Short Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Complementary Negative Regulators Offered (MC79L00 Series)
Pb-Free Packages are Available

简介

MC78L12A属于集成电路（IC）的线性+开关稳压器。由制造生产的MC78L12A稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。